check to make sure you haven't inadvertantly removed a coil lead, computer or any engine sensor connections. may also want to check ignition switch wiring connections.
blown
There could be several things that will make your 2005 Grand Cherokee Limited overheat even if you just changed your radiator. There may be a head gasket blown.
Bring it to your local garage
"blown" is correct to use with the auxiliary verb "has". A past participle is needed to create the perfect verb tenses. "The gale force wind has blown the roof off the garage." (present perfect)
around 1 grand
Check for blown fuse(s) or blown fusible link(s).
Whenever it is blown or the head is cracked or warped.
blown reverse seals
Blown fuse.
Could be a blown fuse.
blown head gasket??
Somewhere around 500$ if done at a garage.